Thomas Lynott was of Irish heritage. He lived in Albany during the mid-1760s. At that time, he was married to Elizabeth Van Valkenburgh - daughter of an Albany carpenter. The marriage produced at least two daughters.

In 1766, he joined a number of Albany men in signing a contstitution of the Albany Sons of Liberty in opposition to the Stamp Act. His first
ward house was listed on an Albany assessment roll in 1767. That year,
he was a private in Barent Bradt's first ward company of the Albany County
Militia. He was a communicant of
St. Peter's church and also belonged
to the Albany Masonic lodge.

He may have been involved in land sales. In May 1769, his friend Hugh
Denniston said that Lynott was in Ireland. Later that year, Thomas
Lynott filed a will. It stated
that he was a resident of "Potamocassock" in Albany County. He divided
his estate consisting of real and personal properties among his wife and
two daughters. The will also mentioned two nephews living in Dublin, Ireland.
The will passed probate in September 1770.